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ultrasonic soldering
auto. 超声波焊接钎焊
avia. 超声焊接
met. 超声波钎焊
oil 超声波焊接
space 超声波软钎焊
tech. 超声波软焊; 超声波焊接 (法)
ultrasonic soldering: 3 phrases in 3 subjects
Metallurgy1
Oil / petroleum1
Technology1